Pressure independent,shutoff type design,multi-controls with
22 gauge Galvanized steel construction.
Plenum box insulation is 1" thick,48kg density,air erosion
resistant,neoprene coated fiber glass and complies with UL-181 and
Double membrane galvanized steel blades with high density
polyethylene gaskets provid full diameter contact seal that
maintains less than 1% leakage at 4 in-wg
Precision machined,plated steel drive shafts with blade position
indicating grooves are provided with long life molded synthetic
Metal controls enclosure
Multi-point inlet velocity sensors
Optional features include:
I. Mounting and wiring of analog electric control or DDC controls
II. 24 VAC electric floating type actuator
III. Plate mounted control voltage transformer.